Dental impression tray



FIG. 1 is a perspective view of a dental impression tray, showing ournew design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is an enlarged cross-sectional view thereof, taken along line 7-7of FIG. 5.

In the drawings, the solid lines represent portions of the dentalimpression tray that form the claimed design. The right side view isomitted, because it is a mirror image of the left side view.

The broken line shown in the drawings is included for the purpose ofillustrating environmental structure and forms no part of the claimeddesign.

CLAIM The ornamental design for a dental impression tray, as shown anddescribed.